What to do if Google is stuck as my Homepage?

In the upper right corner of your browser, select More Settings. Under “Set your homepage,” click the Down arrow A specific page or pages. If you have a current homepage: Next to the URL, click X. Click Enter a URL. Then, type: www.google.com. Google is stuck as my homepage Google won’t change your homepage settings without your permission.
For More Information Please Refer:
https://support.google.com/websearch/answer/463?hl=en
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